body {
  background-image: url("./background.jpg");
  background-size: cover;
}
.container {
  width: 100%;
  height: 300px;
  position: absolute;
  top: 50%;
  left: 0;
  margin-top: -150px;
}
.box-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.box {
  width: 10vw;
  height: 10vw;
  border: 3px solid black;
  font-size: 24px;
  text-align: center;
  line-height: 10vw;
  color: white;
  background-color: dimgrey;
  transition: all 0.5s;
}
.box.active {
  background-color: darkkhaki;
}
.hint p {
  background-color: black;
  padding: 10px 15px;
  color: white;
  display: inline-block;
}
